linux-kernel - Re: [PATCH v35 0/4] scsi: ufs: Add Host Performance Booster Support

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Date:   Thu, 3 Jun 2021 10:47:03 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Greg KH <gregkh@...uxfoundation.org>,
        Daejun Park <daejun7.park@...sung.com>
Cc:     "avri.altman@....com" <avri.altman@....com>,
        "jejb@...ux.ibm.com" <jejb@...ux.ibm.com>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "asutoshd@...eaurora.org" <asutoshd@...eaurora.org>,
        "stanley.chu@...iatek.com" <stanley.chu@...iatek.com>,
        "cang@...eaurora.org" <cang@...eaurora.org>,
        "huobean@...il.com" <huobean@...il.com>,
        ALIM AKHTAR <alim.akhtar@...sung.com>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        JinHwan Park <jh.i.park@...sung.com>,
        Javier Gonzalez <javier.gonz@...sung.com>,
        Sung-Jun Park <sungjun07.park@...sung.com>,
        Jinyoung CHOI <j-young.choi@...sung.com>,
        Dukhyun Kwon <d_hyun.kwon@...sung.com>,
        Keoseong Park <keosung.park@...sung.com>,
        Jaemyung Lee <jaemyung.lee@...sung.com>,
        Jieon Seol <jieon.seol@...sung.com>
Subject: Re: [PATCH v35 0/4] scsi: ufs: Add Host Performance Booster Support

On 6/3/21 10:38 AM, Greg KH wrote:
> On Mon, May 24, 2021 at 05:43:45PM +0900, Daejun Park wrote:
>> Changelog:
>>
>> v34 -> v35
>> 1. Addressed Bart's comments (type casting)
>> 2. Rebase 5.14 scsi-queue
> 
> This looks semi-sane.  What's preventing this from being merged?  It's a
> ratified spec, and there is hardware out there that has it, so Linux
> should support it, right?

HPB has been standardized considerable time ago and multiple UFS vendors
have implemented HPB support. This patch series has been changed
considerably since its first version. To me this patch series looks
ready for merging.

Thanks,

Bart.